James Andrew Williams, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

A198652 Issued in CA

Practice address

1800 N California St
Stockton, CA 95204-6019

Phone

(209) 547-7146

NPI assigned

Apr 5, 2022

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CA, CT, NY, RI4 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 4

Specialty

Emergency Medicine

Education

Other, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Emergency Physician Associates of New England PCGroup PAC ID 9931236395, 21 clinicians

Emergency Physicians of Connecticut PCGroup PAC ID 8820390214, 30 clinicians

Emergency Care Services of New England PCGroup PAC ID 9739487562, 23 clinicians

John T Mather Memorial HospitalGroup PAC ID 1254237753, 176 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Our Lady of Fatima Hospital Hospital, North Providence, RI, CCN 410005
• Roger Williams Medical Center Hospital, Providence, RI, CCN 410004
• South County Hospital Inc Hospital, Wakefield, RI, CCN 410008
• John T Mather Memorial Hospital of Port Jefferson Hospital, Port Jefferson, NY, CCN 330185
• Griffin Hospital Hospital, Derby, CT, CCN 070031

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Emergency Care Services of New England PC

  • Emergency Medicine Physician
  • North Providence, RI
  • NPI 1639537335
  Medicare reassignment Care Compare group NPD
• Emergency Physician Associates of New England PC

  • Emergency Medicine Physician
  • Wakefield, RI
  • NPI 1427381052
  Medicare reassignment Care Compare group NPD
• Emergency Physicians of Connecticut PC

  • Emergency Medicine Physician
  • Waterbury, CT
  • NPI 1902278906
  Medicare reassignment Care Compare group NPD
• John T. Mather Memorial Hospital

  • Critical Care Medicine (Internal Medicine) Physician
  • Port Jefferson, NY
  • NPI 1467249334
  Medicare reassignment Care Compare group NPD
• San Joaquin Emergency Medical Associates

  • Emergency Medicine Physician
  • Merced, CA
  • NPI 1588960413
  Medicare reassignment NPD
• Team Physicians of California Medical Group Inc

  • Emergency Medicine Physician
  • Delano, CA
  • NPI 1447288345
  Medicare reassignment NPD
• North Shore-Lij Medical PC

  • Urology Physician
  • Great Neck, NY
  • NPI 1053688572

  Emergency Medicine

  Medicare reassignment NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• John T. Mather Memorial Hospital

  • General Acute Care Hospital
  • Port Jefferson, NY
  • NPI 1093718728
  Care Compare affiliation
• Prospect Chartercare RWMC, LLC

  • General Acute Care Hospital
  • Providence, RI
  • NPI 1013332014
  Care Compare affiliation
• Prospect Chartercare Sjhsri, LLC

  • General Acute Care Hospital
  • North Providence, RI
  • NPI 1871918870
  Care Compare affiliation
• South County Hospital Healthcare System

  • General Acute Care Hospital
  • Wakefield, RI
  • NPI 1952366106
  Care Compare affiliation
• The Griffin Hospital

  • General Acute Care Hospital
  • Derby, CT
  • NPI 1184639973
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1649116800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762992000000",
    "number": "1083355879",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1800 N CALIFORNIA ST",
            "city": "STOCKTON",
            "state": "CA",
            "postal_code": "952046019",
            "telephone_number": "209-547-7146"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1800 N CALIFORNIA ST",
            "city": "STOCKTON",
            "state": "CA",
            "postal_code": "952046019",
            "telephone_number": "209-547-7146"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "825 Chalkstone Ave",
            "address_purpose": "LOCATION",
            "city": "Providence",
            "state": "RI",
            "postal_code": "029084728",
            "country_code": "US",
            "telephone_number": "401-456-2000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "200 High Service Ave",
            "address_purpose": "LOCATION",
            "city": "North Providence",
            "state": "RI",
            "postal_code": "029045113",
            "country_code": "US",
            "telephone_number": "401-456-3000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "100 Kenyon Ave",
            "address_purpose": "LOCATION",
            "city": "Wakefield",
            "state": "RI",
            "postal_code": "028794216",
            "country_code": "US",
            "telephone_number": "401-782-8000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "JAMES",
        "middle_name": "ANDREW",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-04-05",
        "last_updated": "2025-11-13",
        "certification_date": "2025-11-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "RI",
            "license": "MD20843",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A198652",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Dawayla Sheree Williams, MSW, LCSW
• Dayna Williams, PT, DPT
• Elizah Williams
• Erica Louise Williams, RBT, MPH
• Gabriel Sorin Williams, MD
• Jay Frank Williams, COUNSELOR
• Jazmine Williams
• Joseph L Williams
• Judith Williams
• Juliana Williams

• Emergency Medicine Physician in Stockton, CA
• Providers in Stockton, CA by specialty
• Emergency Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 13, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.